Finding the Fourth Proportional to 363,452.10, 545,761.35 and 245,645.70
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Solution
The fourth proportional to 363,452.10, 545,761.35 and 245,645.70 is: 368,862.72
Step by Step Solution
- Step 1: Write the proportion equation
363,452.10 : 545,761.35 = 245,645.70 : x - Step 2: Convert to fraction form
363,452.10/545,761.35 = 245,645.70/x - Step 3: Cross multiply
363,452.10x = 545,761.35 × 245,645.70 - Step 4: Simplify right side
363,452.10x = 134,063,928,853.70 - Step 5: Solve for x
x = 134,063,928,853.70/363,452.10 - Step 6: Final answer
x = 368,862.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.